The thread checker gauge adopts plastics material, and its surface is wear-resistant, making it slip-resistant and ensuring long durability. It is highly accurate, meets standard specifications, resists wear and corrosion, and features a smooth and beautiful back. It features both metric and imperial sizes on its edges, allowing you to quickly and accurately identify various thread sizes and measure the length of bolts, screws, nuts, and washers, saving you a lot of time and effort and increasing your work efficiency. It is a versatile tool for measuring various types of screws, nuts, bolts, and threads. And solve all the bolt and nut problems you meet in daily maintenance and manufacturing operations. Features: Premium Material: The thread checker gauge adopts plastics material, and its surface is wear-resistant, making it slip-resistant and ensuring long durability. It is highly accurate, meets standard specifications, resists wear and corrosion, and features a smooth and beautiful back. Metric and Imperial Sizes: This product offers both metric and imperial sizes on its edges, allowing you to quickly and accurately identify various thread sizes, and measure the length of bolts, screws, nuts, and washers, saving you a lot of time and effort and increasing your work efficiency. Clear & Precise Marking: The clear markings on the bolt thread gauge promise durability, abrasion resistance, clarity, and easy identification for years of reliable use. It is designed to increase your work efficiency by providing a quick and accurate way to identify standard hardware sizes. Accurate Quickly Identify: This bolt and nut thread checker allows you to quickly organize scattered piles of bolts and screws, confirms the type of bolt or nut, and categorizes them for your convenience and timely access. Easy to Carry and Use: Solid and light design allows you to take it to different workplaces effortlessly. It can be placed flat or hung on the wall or your toolbox through the reserved mounting holes. Wide Applications: It is a versatile tool for measuring various types of screws, nuts, bolts, and threads. And solve all the bolt and nut problems you meet in daily maintenance and manufacturing operations. It's an indispensable tool for professionals and DIY buffs alike. Specifications: Name: Nut Bolt Size Checker Material: plastics Color: red, black, orange, white, blue (optional) Package size: 220 * 85 * 10mm / 8.66 * 3.35 * 0.39in Package weight: 70g / 2.47ounce Packing List: 1 * Nut Bolt Size Checker